For our Chinese friends
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Here we will list 9 things that could affect the stability of your QCM-D baseline, and give advice on how to address them if you are experiencing drift.
Superhydrophobic surface is defined by having the static water contact angle above 150 ° and contact angle hysteresis less than 5 °.
Surface free energy can be calculated through contact angle measurements. Automated instruments are available.
Here we explain the reasoning behind the uniformity requirement and describe the consequences if it is not fulfilled.
